These are the people that are eager to support you in every step of the way of becoming a successful tech company. Each individual has their own focus areas and expertise to ensure that we can give you the best possible 360 degree support.

Freigeist Team Photo

Let’s build a European Tech Champion together

  • Frank Thelen
  • Lena Heßbrügge
  • Marc Sieberger
  • Stefanie Fremerey
  • Alex Koch
  • Marcel Vogler
  • Marina Groß
  • Niklas Hebborn
  • Melissa Meister
  • Daniel Rauber
  • Alexander Pass
  • Helen Gerharz

Frank Thelen

Founder & CEO
Technology, Product, Design, Sales

Frank is a European serial founder, technology investor and TV personality. Since 1994, he has founded and managed over 10 technology and design-driven companies. He is very well connected and very well known in Germany and was a judge on the German version of the American prime-time TV-Show “Shark Tank” for 7 years. He wrote two bestselling books and is one of the most influential tech experts in Germany. Frank works with our founders on technology, design, team, sales, media and fundraising.

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Lena Heßbrügge

Head of Communications

Lena holds a Bachelor's Degree in Literary, Cultural and Media Studies and has interned and freelanced in the fields of content creation and online marketing during her studies. She started her career at Freigeist as Frank’s personal assistant and has managed his PR and Brand as well as his book projects „Startup-DNA“ and “10xDNA” which both became bestsellers in Germany. She has developed a deep understanding for press and media and is now responsible for all communication related topics around Frank and Freigeist as well as supporting our portfolio companies with PR & Communications.

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Marc Sieberger

Founder & COO/CFO
Operations, Finance, Legal

Marc has built and run operations as well as financial- and legal organizations in several companies. He led over fifty financing- and M&A transactions across multiple geographies. Marc studied at WHU, where he graduated with a double degree as Dipl. Kfm. and MBA. Marc works with our founders on operations, finance, marketing, and fundraising.

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Stefanie Fremerey

Head of Accounting, Commercial Activities

Before joining Freigeist, Stefanie gained relevant experience in accounting and as an assistant to the managing director of her previous firm. She has already worked for public institutions and successfully set up the entire accounting department for several startups in Bonn. Stefanie is now in charge of the Freigeist Group's accounting department and supports the managing directors in their commercial tasks.

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Alex Koch

Founder & CTO
Technology, Tech‑Teams

Alex has built and led technology teams, designed and developed complex software solutions and advised many startups in technological challenges. Alex has a deep understanding of IT (software design, efficiency, and clouds), electronics and physics. In his role as co-founder and CTO of Freigeist, he works with our founders on choosing the best technology, building and growing teams, setting up the IT infrastructure and optimizing processes using appropriate software solutions.

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Marcel Vogler

Partner, Investment Manager

Marcel obtained a Master’s degree from WHU while working at numerous startups and companies throughout his studies. As co-owner of several McDonald’s franchises he has a deep understanding of operations. In his role as Partner at Freigeist he works with founders on scaling operations, boosting sales and streamlining finances.

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Marina Groß

Backoffice, Personal Assistant, HR

Marina has a commercial background as well as a bachelor's degree in literature and cultural studies. After her studies and first working experiences, she decided to shift her professional focus to assistance and joined an advertising agency in Bonn as assistant to the management. After several years of experience, she has joined the Freigeist team and is now supporting Frank and the other managing partners as personal assistant as well as supporting in HR matters.

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Niklas Hebborn

Partner, Investment Manager

Niklas is an ESCP Europe Master graduate. He worked for digital and high-tech companies as a Roland Berger consultant and gained experience in Private Equity with Quadriga Capital. As a Head of International Business with PEC Group, he scaled up the company from 50 to 120 employees and accompanied the M&A sell-side process to Hilti AG. In his role as Investment Manager at Freigeist, he sources new deals and supports portfolio companies to realize their strategy.

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Melissa Meister

Social Media, Communication Design

Melissa has a degree in communication design and has previously worked as a junior graphic designer in an advertising agency as well as gaining experience as a freelancer. As Social Media Manager of Frank Thelen Media and Freigeist, she is responsible for content creation, monitoring, video production and post production for all social media channels. She is in charge of the graphic implementation of Franks keynotes, website content and assets for collaborations and campaigns.

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Daniel Rauber

Software Developer, Technology

Daniel studied Computer Science at the University of Bonn and joined Freigeist as a software developer after working multiple years as a freelance developer for a multitude of companies and startups. At Freigeist, he evaluates technologies and supports our team and portfolio with software development, infrastructure management and technological know-how.

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Alexander Pass

Investment Manager, Technology

Alexander holds two master degrees from the RWTH Aachen University in Production Engineering and Management, Business & Economics. Before joining Freigeist, he gained professional experience in digital manufacturing consulting while working at the McKinsey DCC Aachen, accompanying a spin-off company focused on digital performance management and interning at a highly funded enterprise software startup in Silicon Valley. In his role as an Investment Manager at Freigeist, he sources new companies, evaluates technology trends and supports portfolio companies with their business intelligence, among other things.

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Helen Gerharz

Investment Manager

Helen holds a Bachelor’s Degree in Business Administration from the University of Mannheim and a Master’s Degree in Innovation and Entrepreneurship from the Copenhagen Business School. Before joining Freigeist, Helen gained experience in Consulting and Venture Development and worked with Startups. In her role as Investment Manager at Freigeist, Helen sources new deals and supports our portfolio companies with different operational tasks.

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In order to be able to make profound investment decisions and support our companies on a broad scale of technological fields as well as source new deals, we are in constant exchange with several network partners.